Black spots on the dog's belly may be caused by melanin deposition, skin diseases caused by bacteria, fungal infections, parasitic infections, lack of bathing and cleaning for a long time, genetic inheritance and other factors. If the dog has no other abnormal symptoms, it is most likely due to melanin deposition, not bathing and cleaning for a long time, or black spots on the skin when he was born, so there is no need to worry too much. However, if it is accompanied by symptoms such as dandruff, hair loss, moss, etc., it may be caused by infection with bacteria, fungi, parasites and other skin diseases. It is recommended to consult a pet doctor immediately for medication.

1. Melanin deposition

When a dog gets older, melanin deposition is serious, so black spots will appear on the belly, which are also commonly known as "age spots". The owner does not need to be overly nervous at this time, it is a normal phenomenon.

2. Skin diseases caused by bacterial and fungal infections

If your dog is infected with skin diseases such as fungi and bacteria, black spots may also form on the skin, usually accompanied by dandruff. , hair loss, ringworm spots, pus and other symptoms. It is recommended to take the dog to the pet hospital in time for skin and systemic tests and examinations. After finding the real cause, targeted treatment can be carried out.

3. Parasitic infection

If the dog has not been dewormed externally for too long, it may be black spots caused by parasite feces, which usually adhere to the skin, such as flea. You can use a wet tissue to touch the black spots to see if there is blood. If so, the dog needs to be dewormed as soon as possible.

4. No bathing and cleaning for a long time

Dogs like to lie belly down when resting. When their belly comes into contact with dirty things, if they are not cleaned up in time, they will easily get black dirt. Attach. You can wipe the spots with a wet paper towel. If it can be wiped off, it may be caused by dirt. Just give the dog a bath and clean it.

5. Genetic inheritance

Some dogs are born with black spots on their skin, such as Dalmatians. If there are no obvious abnormalities, you don’t need to pay too much attention to them.